---
title: "Export a single Decision Dossier as a portable, signed proof packet"
method: GET
path: "/v1/protocol/dossiers/{dossier_id}/proof-packet"
---

# Export a single Decision Dossier as a portable, signed proof packet

`GET /v1/protocol/dossiers/{dossier_id}/proof-packet`

## Request

- Base URL: `https://api.decionis.com`
- URL: `https://api.decionis.com/v1/protocol/dossiers/{dossier_id}/proof-packet`
- Auth: HTTP bearer

Returns an escalation-ready proof packet for one dossier: the dossier
payload, policy snapshot, ledger anchor, the Ed25519 proof bundle, and a
cryptographic verification result with verify instructions. Suitable for
refund/overcharge dispute escalation and audit.

## Path parameters

- `dossier_id` string, uuid, required

## Query parameters

- `org_id` string, uuid, required

## Response `200`

Signed proof packet

- DecisionDossierProofPacket
  - `service` string
  - `protocol_version` string
  - `packet_type` string
  - `packet_version` string
  - `issued_at` string, date-time
  - `subject` object
    - `org_id` string
    - `dossier_id` string
  - `dossier` object
  - `policy_snapshot` object, nullable
  - `ledger_anchor` object
  - `proof_bundle` object, nullable
  - `verification` object: signature_verified, policy_snapshot_verified, chain_integrity_verified, proof_bundle_verified, and overall (VERIFIED | PARTIAL | UNVERIFIED).
  - `verify_instructions` object

## Other responses

- `400`: Structured API error
- `401`: Structured API error
- `403`: Structured API error
- `404`: Structured API error

---

[API](https://skmtc.dev/decionis/apis/decionis-policy-evaluation-api.md) · [All operations](https://skmtc.dev/decionis/apis/decionis-policy-evaluation-api/llms.txt) · [OpenAPI document](https://skmtc.dev/decionis/apis/decionis-policy-evaluation-api/revisions/357f5e459d0c?raw)